:root {
  --ink: #1e1b4b; --text: #2b2a4c; --muted: #5b6078; --line: #e2e5f3; --bg: #f5f6fc; --card: #fff;
  --primary: #4f46e5; --primary-50: #eef2ff; --primary-100: #e0e7ff; --danger: #b91c1c; --ok: #15803d;
  color-scheme: light;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.5; }
a { color: var(--primary); }
h1 { font-size: 1.5rem; margin: 0 0 6px; color: var(--ink); }
h2 { font-size: 1.15rem; margin: 18px 0 8px; color: var(--ink); }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
.boot { padding: 40px; text-align: center; color: var(--muted); }
.muted { color: var(--muted); } .small { font-size: 0.85rem; } .pre { white-space: pre-wrap; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; box-shadow: 0 10px 30px -20px rgba(30,27,75,.35); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 8px 16px; border-radius: 10px; border: 1px solid transparent; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; background: #fff; color: var(--ink); }
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: #4338ca; }
.btn.ghost { border-color: var(--line); }
.btn.ghost:hover { background: var(--primary-50); }
.btn.danger { border-color: #fecaca; color: var(--danger); }
.btn.sm { min-height: 34px; padding: 4px 12px; font-size: 0.9rem; }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; }
input, select, textarea { font: inherit; padding: 9px 12px; border: 1px solid #b8bfd9; border-radius: 10px; background: #fff; color: var(--ink); width: 100%; }
textarea { resize: vertical; }
label { font-weight: 700; font-size: 0.9rem; color: var(--ink); }
.stack { display: grid; gap: 8px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; } .row.end { justify-content: flex-end; margin-top: 8px; }
.alert { background: #fee2e2; color: #7f1d1d; border-radius: 10px; padding: 10px 12px; font-weight: 600; }
.notice { background: #fffbeb; border: 1px solid #fde68a; border-radius: 10px; padding: 8px 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.empty { color: var(--muted); padding: 24px; text-align: center; }
.chip { display: inline-block; background: var(--primary-50); border-radius: 999px; padding: 3px 10px; font-size: .85rem; font-weight: 700; text-decoration: none; }
code { background: var(--primary-50); padding: 1px 6px; border-radius: 6px; }

.login { min-height: 100dvh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(400px, 100%); display: grid; gap: 10px; }
.login-card h1 { margin-top: 6px; }
.login-card .btn { margin-top: 8px; }

.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: #fff; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; color: var(--ink); text-decoration: none; font-size: 1.05rem; }
.tabs { display: flex; gap: 2px; flex-wrap: wrap; flex: 1; }
.tabs a { padding: 8px 12px; border-radius: 10px; text-decoration: none; color: var(--text); font-weight: 700; font-size: .92rem; }
.tabs a:hover, .tabs a[aria-current="true"] { background: var(--primary-50); color: var(--primary); }
.who { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: .9rem; }
.view { padding: 16px; max-width: 1500px; margin: 0 auto; }

.mail { display: grid; grid-template-columns: 220px minmax(260px, 380px) 1fr; gap: 12px; height: calc(100dvh - 90px); }
.side, .list-pane, .reader { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: auto; }
.side { padding: 12px; }
.side-title { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 800; margin: 16px 8px 6px; }
.boxes { list-style: none; margin: 0; padding: 0; }
.boxes a { display: flex; justify-content: space-between; align-items: center; padding: 7px 10px; border-radius: 9px; text-decoration: none; color: var(--text); font-weight: 600; }
.boxes a[aria-current="true"] { background: var(--primary-50); color: var(--primary); }
.badge { background: var(--primary); color: #fff; border-radius: 999px; font-size: .75rem; padding: 1px 8px; font-weight: 800; }
.list-head { position: sticky; top: 0; background: #fff; padding: 10px; border-bottom: 1px solid var(--line); display: grid; gap: 8px; }
.msg-list { list-style: none; margin: 0; padding: 0; }
.msg { width: 100%; display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; text-align: left; padding: 10px 12px; border: 0; border-bottom: 1px solid var(--line); background: #fff; cursor: pointer; font: inherit; color: var(--text); }
.msg:hover { background: #fafbff; } .msg[aria-current="true"] { background: var(--primary-50); }
.msg .from { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg .date { color: var(--muted); font-size: .8rem; }
.msg .subj { grid-column: 1 / -1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg .snip { grid-column: 1 / -1; color: var(--muted); font-size: .85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg.unread .from, .msg.unread .subj { font-weight: 800; color: var(--ink); }
.reader { padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.reader-head h2 { margin-top: 0; font-size: 1.3rem; }
.reader-head p { margin: 2px 0; }
.reader-body { flex: 1; display: flex; flex-direction: column; gap: 8px; min-height: 300px; }
.mail-frame { width: 100%; flex: 1; min-height: 60vh; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.plain { white-space: pre-wrap; font-family: inherit; margin: 0; }
.attachments { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
@media (max-width: 1000px) { .mail { grid-template-columns: 1fr; height: auto; } .reader { min-height: 60vh; } }

.dialog { border: 0; border-radius: 16px; padding: 22px; width: min(460px, calc(100vw - 24px)); box-shadow: 0 30px 60px -20px rgba(30,27,75,.5); }
.dialog.wide { width: min(760px, calc(100vw - 24px)); }
.dialog::backdrop { background: rgba(30,27,75,.45); }
.secret { font-size: 1.3rem; background: var(--primary-50); padding: 12px; border-radius: 10px; user-select: all; }
fieldset { border: 1px solid var(--line); border-radius: 10px; display: grid; gap: 4px; }
.check { display: flex; gap: 8px; align-items: center; font-weight: 600; }
.check input { width: auto; }

.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 14px; margin: 12px 0; }
table.data { border-collapse: collapse; width: 100%; font-size: .9rem; }
table.data th, table.data td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.data th { background: #fafbff; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
table.data select { width: auto; padding: 4px 8px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin: 12px 0; }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px; display: grid; gap: 2px; }
.kpi strong { font-size: 1.8rem; color: var(--ink); font-variant-numeric: tabular-nums; }
.kpi-label { font-weight: 700; color: var(--muted); font-size: .85rem; }
.chart { width: 100%; max-width: 900px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.toast { position: fixed; right: 16px; bottom: 16px; background: var(--ink); color: #fff; padding: 12px 16px; border-radius: 12px; font-weight: 700; opacity: 0; transform: translateY(10px); transition: .2s; pointer-events: none; max-width: calc(100vw - 32px); }
.toast.show { opacity: 1; transform: none; } .toast.bad { background: var(--danger); }